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Finding the Fourth Proportional to 133,512.56, 200,268.32 and 54,626.76

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Solution

The fourth proportional to 133,512.56, 200,268.32 and 54,626.76 is: 81,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,512.56 : 200,268.32 = 54,626.76 : x
  2. Step 2: Convert to fraction form
    133,512.56/200,268.32 = 54,626.76/x
  3. Step 3: Cross multiply
    133,512.56x = 200,268.32 × 54,626.76
  4. Step 4: Simplify right side
    133,512.56x = 10,940,009,588.81
  5. Step 5: Solve for x
    x = 10,940,009,588.81/133,512.56
  6. Step 6: Final answer
    x = 81,939.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.